2024
Multi-modal risk factors differentiate suicide attempters from ideators in military veterans with major depressive disorder
Goldstein K, Pietrzak R, Challman K, Chu K, Beck K, Brenner L, Interian A, Myers C, Shafritz K, Szeszko P, Goodman M, Haznedar M, Hazlett E. Multi-modal risk factors differentiate suicide attempters from ideators in military veterans with major depressive disorder. Journal Of Affective Disorders 2024, 369: 588-598. PMID: 39341292, DOI: 10.1016/j.jad.2024.09.149.Peer-Reviewed Original ResearchSuicide attemptsDepressive disorderGo/No-GoMilitary veteransSeverity of suicidal behaviorFractional anisotropyDecreased attentional controlUnited States military veteransDiagnosis of MDDDSM-5 diagnosisMagnetic-resonance-imagingSuicide prevention effortsDifferentiate veteransDSM-5Attentional controlSuicide attempt/sSuicidal behaviorSuicidal ideationMDDNeurocognitive assessmentHealthy control groupNeuroimaging variablesPrevention effortsIdeationSuicideSuicide-Specific Cognitions and Suicidal Behavior in U.S. Military Veterans
Fischer I, Nichter B, Trachik B, Bryan C, Pietrzak R. Suicide-Specific Cognitions and Suicidal Behavior in U.S. Military Veterans. Psychiatry 2024, 87: 241-250. PMID: 38832675, DOI: 10.1080/00332747.2024.2352883.Peer-Reviewed Original ResearchSuicide-specific cognitionsU.S. military veteransMilitary veteransSuicidal ideationSuicide planLifetime history of suicide attemptsHistory of suicide attemptsAssociated with suicidal ideationSuicide Cognitions ScaleDepressive symptom severityThoughts of suicideMitigate suicide riskB-SCSAdverse childhood experiencesExploratory post hoc analysisSuicidal behaviorLifetime historySuicide riskSuicide attemptsSymptom severitySuicidal thoughtsCognitive scalesIndicator of riskChildhood experiencesIntervention effortsObesity in Latinx and White U.S. military veterans: Mental health, psychosocial burden, non-suicidal self-injury and suicidal behavior
Stefanovics E, Grilo C, Potenza M, Pietrzak R. Obesity in Latinx and White U.S. military veterans: Mental health, psychosocial burden, non-suicidal self-injury and suicidal behavior. Psychiatry Research 2024, 335: 115844. PMID: 38484606, DOI: 10.1016/j.psychres.2024.115844.Peer-Reviewed Original ResearchNon-suicidal self-injuryDrug use disordersU.S. military veteransMental health problemsMilitary veteransSelf-injuryUse disorderSymptoms of internalizing disordersLevels of childhood traumaNational Health and ResiliencePost-traumatic stress disorderIncreased risk of mental health problemsWhite veteransCoping self-efficacyRisk of mental health problemsLatinx ethnicityGeneralized anxietyStress disorderChildhood traumaHealth problemsSuicidal behaviorVeterans StudyCorrelates of obesityCulturally sensitive preventionNationally representative sample
2022
Genetic liability to suicidal thoughts and behaviors and risk of suicide attempt in US military veterans: moderating effects of cumulative trauma burden
Nichter B, Koller D, De Angelis F, Wang J, Girgenti M, Na P, Hill M, Norman S, Krystal J, Gelernter J, Polimanti R, Pietrzak R. Genetic liability to suicidal thoughts and behaviors and risk of suicide attempt in US military veterans: moderating effects of cumulative trauma burden. Psychological Medicine 2022, 53: 6325-6333. PMID: 36444557, DOI: 10.1017/s0033291722003646.Peer-Reviewed Original ResearchConceptsPolygenic risk scoresUS military veteransLifetime suicide attemptsSuicide attemptsTrauma exposureTrauma burdenGenetic liabilityMilitary veteransDrug repurposing analysisPopulation-based sampleCumulative trauma exposureLifetime trauma exposureLow trauma exposureSuicide prediction modelsChronic inflammationInflammatory processNervous system developmentRisk scorePsychiatric characteristicsSuicidal behaviorExposure interactionsLarge genome-wide association studiesHigh levelsVeteransSuicidality
2021
Understanding risk in younger Veterans: Risk and protective factors associated with suicide attempt, homelessness, and arrest in a nationally representative Veteran sample
Edwards E, Dichiara A, Gromatsky M, Tsai J, Goodman M, Pietrzak R. Understanding risk in younger Veterans: Risk and protective factors associated with suicide attempt, homelessness, and arrest in a nationally representative Veteran sample. Military Psychology 2021, 34: 175-186. PMID: 38536330, PMCID: PMC10013446, DOI: 10.1080/08995605.2021.1982632.Peer-Reviewed Original ResearchOlder veteransYounger veteransProtective factorsPrior suicidal behaviorMental health servicesUS military veteransHistory of suicideAdverse eventsRisk factorsCriminal justice involvementProtective correlationHealth servicesSuicide attemptsSuicidal behaviorSuicide riskMilitary veteransVeteran sampleVeteransOlder cohortHomelessnessRiskCohortSocial supportAge cohortsRepresentative sample